Editing Virsh blockcommit
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<code>[[virsh]] blockcommit domain path [bandwidth] [--bytes] [base] [--shallow] [top] [--delete] [--keep-relative] [--wait [--async] [--verbose]] [--timeout seconds] [--active] [{--pivot | --keep-overlay}]</code> | <code>[[virsh]] blockcommit domain path [bandwidth] [--bytes] [base] [--shallow] [top] [--delete] [--keep-relative] [--wait [--async] [--verbose]] [--timeout seconds] [--active] [{--pivot | --keep-overlay}]</code> | ||
| − | Requires at least [[QEMU | + | Requires at least [[QEMU]] 2.1 and [[kVM/libvirt|libvirt]]-1.2.9.<ref>https://wiki.libvirt.org/page/Live-disk-backup-with-active-blockcommit</ref> |
| − | Review your security_driver configuration in <code> | + | Review your security_driver configuration in <code>/ect/libvirt/qemu.conf</code>. You may need to change it to none to allow <code>virsh blockcommit</code> |
:<code>security_driver = "none"</code><ref>https://github.com/milkey-mouse/backup-vm/issues/17#issuecomment-547843000</ref> | :<code>security_driver = "none"</code><ref>https://github.com/milkey-mouse/backup-vm/issues/17#issuecomment-547843000</ref> | ||
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:<code>--wait</code> | :<code>--wait</code> | ||
:<code>--verbose</code> | :<code>--verbose</code> | ||
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== Examples == | == Examples == | ||
| + | <pre>virsh blockcommit MY_DOMAIN_NAME vda --active --pivot | ||
| + | Successfully pivoted | ||
| + | </pre> | ||
| − | + | <pre>virsh blockcommit MY_DOMAIN_NAME vda --active --pivot | |
| − | + | Commit aborted | |
| + | </pre> | ||
| − | + | <pre>virsh blockcommit MY_DOMAIN_NAME vda --active --pivot --wait --verbose | |
| − | + | Block commit: [ 22 %] | |
| + | Successfully pivoted | ||
| + | </pre> | ||
| − | + | <pre> | |
| − | + | virsh blockcommit MY_DOMAIN_NAME hda --active --pivot | |
| + | error: invalid argument: top '/path/to/libvirt/MY_DOMAIN_NAME.qcow2' in chain for 'hda' has no backing file | ||
| + | </pre> | ||
| − | + | Use: <code>[[virsh domblklist]] --details</code> to find your block name. | |
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== Journalctl errors == | == Journalctl errors == | ||
| − | + | :[[libvirtd]][14189]: 2019-11-21 15:08:13.035+0000: 14192: error : qemuDomainBlockCommit:17568 : invalid argument: top '/path/to/file/VM_NAME.qcow2' in chain for 'hda' has no backing file | |
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== Activities == | == Activities == | ||
| − | * Create a [[KVM Live backup]] using <code>[[virsh | + | * Create a [[Virsh/Create Live backups|KVM Live backup]] using <code>[[virsh/virsh snapshot-create-as|virsh snapshot-create-as]]</code> and <code>[[virsh/virsh blockcommit|virsh blockcommit]]</code> |
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== See also == | == See also == | ||
* {{virsh block}} | * {{virsh block}} | ||
| + | * <code>[[virsh domblklist]]</code> | ||
* <code>[[virsh console]]</code> | * <code>[[virsh console]]</code> | ||
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[[Category:Linux]] | [[Category:Linux]] | ||
[[Category:KVM]] | [[Category:KVM]] | ||
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